<!DOCTYPE HTML>
<html>
<head>
       <title>navigation导航</title>
	   <meta charset="utf-8">
	   <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
	   <!-- 新 Bootstrap 核心 CSS 文件 -->
	<link rel="stylesheet" href="css/bootstrap.min.css">
	<!-- jQuery文件。务必在bootstrap.min.js 之前引入 -->
	<script src="js/jquery.min.js"></script>
	<!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
	<script src="js/bootstrap.min.js"></script>
</head>
<body>
    <!-- 导航开始 -->         
   <nav class="navbar navbar-default">
      <div class="container-fluid">

	        <div class="navbar-header">
					<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#test">
							<span class="sr-only">Toggle navigation</span>
							<span class="icon-bar"></span>
							<span class="icon-bar"></span>
							<span class="icon-bar"></span>
					</button>
					<a  class="navbar-brand" href="#">首页</a>
			</div>

			<div class="collapse navbar-collapse" id="test">
						<ul class="nav navbar-nav">
						     <li class="active"><a href="#" >Action1</a></li>
							 <li><a href="#">Action2</a></li>
							 <li><a href="#" class="dropdowntoggle" data-toggle="dropdown">Action3<span class="caret"></span></a>
							      <ul class="dropdown-menu">
										<li><a href="#">Test</a></li>
										<li><a href="#">Test</a></li>
										<li><a href="#">Test</a></li>
										<li><a href="#">Test</a></li>
							      </ul>
							 </li>
						</ul>
			</div>

	  </div>
   </nav>
    
   <!-- 导航结束  -->        
</body>
</html>
